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For what purpose are rockets used in space travel?

Sagot :

Final answer:

Rockets are essential in space travel for propelling spacecraft beyond Earth's gravity using Newton's third law.


Explanation:

Rockets are used in space travel for propulsion beyond Earth's gravity into space. They work based on Newton's third law, where the action force propels the rocket by expelling gases in the opposite direction. Rockets have evolved from using gunpowder to modern liquid fuels and multiple stages for efficient travel.


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